100142322 has 64 divisors (see below), whose sum is σ = 241920000. Its totient is φ = 27016704.

The previous prime is 100142321. The next prime is 100142323. The reversal of 100142322 is 223241001.

It is an interprime number because it is at equal distance from previous prime (100142321) and next prime (100142323).

It is not an unprimeable number, because it can be changed into a prime (100142321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79554 + ... + 80802.

It is an arithmetic number, because the mean of its divisors is an integer number (3780000).

Almost surely, 2^100142322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100142322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120960000).

100142322 is an abundant number, since it is smaller than the sum of its proper divisors (141777678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100142322 is a wasteful number, since it uses less digits than its factorization.

100142322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 100142322 is about 10007.1135698562. The cubic root of 100142322 is about 464.3789790481.

Adding to 100142322 its reverse (223241001), we get a palindrome (323383323).

The spelling of 100142322 in words is "one hundred million, one hundred forty-two thousand, three hundred twenty-two".